US2585448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticizers
Assignee: Monsanto Chemicals Ltd
•
Filing: 1948-11-23
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Granted: 1952-02-12
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Expires: 1968-11-23
Abstract
No abstract record available.
Inventors
- 👤 William S Emerson
- 👤 Jr Raymond I Longley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:35
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/101; C08K5/103; C08K5/36; C08K5/37; C08K5/372
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PLASTICIZER WHICH COMPRISES A MIXTURE OF ESTERS MADE BY ESTERIFYING A GLYCOL HAVING A STRUCTURAL FORMULA: HO-(C2H4-X)Y-C2H4-OH WHEREIN X IS AN ATOM OF THE GROUP CONSISTING OF SULFUR AND OXYGEN AND Y IS A SMALL WHOLE NUMBER FROM ONE (1) TO THREE (3), INCLUSIVE, WITH A MIXTURE OF 20 TO 65 MOLE PERCENT OF AT LEAST ONE ALIPHATIC SATURATED MONOCARBOXYLIC ACID HAVING FROM SIX TO TWELVE CARBON ATOMS, AND 80 TO 35 MOLE PERCENT OF AT LEAST ONE AROMATIC MONOCABOXYLIC ACID HAVING THE STRUCTURE:
Claim 2
Dependent Claim
85 words
A PLASTICIZER WHICH COMPRISES A MIXTURE OF ESTERS MADE BY ESTERIFYING A GLYCOL HAVING A STRUCTURAL FORMULA: HO-(C2H4-X)Y-C2H4-OH WHEREIN X IS AN ATOM OF THE GROUP CONSISTING OF SULFUR AND OXYGEN AND Y IS A SMALL WHOLE NUMBER FROM ONE (1) TO THREE (3), INCLUSIVE, WITH A MIXTURE OF 20 TO 65 MOLE PERCENT OF AT LEAST ONE ALIPHATIC SATURATED MONOCARBOXYLIC ACID HAVING FROM SIX TO TWELVE CARBON ATOMS, AND 80 TO 35 MOLE PERCENT OF AT LEAST ONE AROMATIC MONOCABOXYLIC ACID HAVING THE STRUCTURE:
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |